问题 解答题
脱式计算.
(1)854-3234÷33
(2)1.5×(7.02-4.8)+6.67
(3)
12
35
×
5
8
÷
2
7
(4)
7
13
×
12
17
+
6
13
÷
17
12
答案

(1)854-3234÷33,

=854-98,

=756;

(2)1.5×(7.02-4.8)+6.67,

=1.5×2.22+6.67,

=3.33+6.67,

=10;

(3)

12
35
×
5
8
÷
2
7

=

3
14
×
7
2

=

3
4

(4)

7
13
×
12
17
+
6
13
÷
17
12

=

7
13
×
12
17
+
6
13
×
12
17

=(

7
13
+
6
13
)×
12
17

=1×

12
17

=

12
17

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